Surface modified thread-based microfluidic analytical device for selective potassium analysis

…, I de Orbe-Payá, LF Capitan-Vallvey

Index: Capitan-Vallvey, Luis Fermin; Arroyo-Guerrero, Eduardo; Fernandez-Ramos, Maria Dolores; Santoyo-Gonzalez Analytical Chemistry, 2005 , vol. 77, # 14 p. 4459 - 4466

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Abstract

This paper presents a thread-based microfluidic device (μTAD) that includes ionophore extraction chemistry for the optical recognition of potassium. The device is 1.5 cm× 1.0 cm and includes a cotton thread to transport the aqueous sample via capillary wicking to a 5 mm-